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UL自己出的每一个标准都会几乎都有这么一个章节或类似的章节:
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/ h5 R* Q/ [3 a8 y/ \, l7 lX.1 Except as indicated in 4X.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this standard.
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* {+ m- E5 I, H P. K5 S& w同时还应该注意标准的某些章节如UL1310:" \1 \' w# @9 _9 K" s$ |
7 E- f- g# X5 w12.2 There shall be no components connected between primary and output circuits which result in a conductive connection (see 5.4). If capacitive coupling is provided between primary and output circuits, it shall consist of either:6 I% ^( T- W1 J' g) w# w
a) A capacitor complying with the antenna coupling requirements specified in the Standard for Capacitors and Suppressors for Radio- and Television-Type Appliances, UL 1414; or3 W O# L6 J1 Y; s4 F1 r
& a# G( X- V; |+ o% I5 \' u现在UL的一些标准也在做改进,如UL499则开始抛弃Appendix A的传统要求,开始细化到具体要求如:6 G0 U$ s, \% s6 x2 o/ k
5A.2 Requirements for Components
; ~# E# H9 i8 w) W9 R3 MSection 5A.2 Added November 30, 2010
3 F4 O9 h$ J5 v; L1 r. w% \5A.2.1 Insulated Wire, Cable and Cords$ z4 Z. k# R% i; X' R
5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.
2 b. ^4 w8 F% X: q; n$ H4 T5A.2.1.2 Flexible cord and cables shall comply with the Standard for Flexible Cords and Cables, UL 62. Flexible cord and cables are considered to fulfill this requirement when preassembled in a cord set or power supply cord complying with Standard for Cord Sets and Power Supply Cords, UL 817.
2 b( p* r! X& Y6 q b5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.
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5A.2.13 Gaskets and Seals1 t- _9 Q8 q8 W0 `' x
5A.2.13.1 Gaskets and seals that comply with the Standard for Gaskets and Seals, UL 157, are considered to fulfill the requirements of 33.1.4 and 33.1.5.
& c# J, R2 x! C {) B: c# W7 r8 |. d5A.2.14 Printed Wiring Boards
& b& d1 A/ K0 H2 t& l& e9 K" z5A.2.14.1 Printed wiring boards shall comply with the Standard for Printed-Wiring Boards, UL 796. Unless otherwise specified, the flammability class shall be that specified for insulating materials.# f, K6 y2 n, Q) Q. c
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可以看出,其实UL标准对于零部件的具体要求是非常明确的。# M# \ w% r3 ?' J8 k; x
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